bp2build apex: convert canned_fs_config property.

Bug: 275280970
Test: bp2build unit test
Change-Id: Ic6867a640a5079cd206419ddd378d2357093dae6

apex/apex.go

@@ -3519,6 +3519,7 @@ type bazelApexBundleAttributes struct {
 	Manifest              bazel.LabelAttribute
 	Android_manifest      bazel.LabelAttribute
 	File_contexts         bazel.LabelAttribute
+	Canned_fs_config      bazel.LabelAttribute
 	Key                   bazel.LabelAttribute
 	Certificate           bazel.LabelAttribute  // used when the certificate prop is a module
 	Certificate_name      bazel.StringAttribute // used when the certificate prop is a string
@@ -3578,6 +3579,11 @@ func convertWithBp2build(a *apexBundle, ctx android.TopDownMutatorContext) (baze
 		fileContextsLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.File_contexts))
 	}
 
+	var cannedFsConfigAttribute bazel.LabelAttribute
+	if a.properties.Canned_fs_config != nil {
+		cannedFsConfigAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.Canned_fs_config))
+	}
+
 	productVariableProps := android.ProductVariableProperties(ctx, a)
 	// TODO(b/219503907) this would need to be set to a.MinSdkVersionValue(ctx) but
 	// given it's coming via config, we probably don't want to put it in here.
@@ -3664,6 +3670,7 @@ func convertWithBp2build(a *apexBundle, ctx android.TopDownMutatorContext) (baze
 		Manifest:              manifestLabelAttribute,
 		Android_manifest:      androidManifestLabelAttribute,
 		File_contexts:         fileContextsLabelAttribute,
+		Canned_fs_config:      cannedFsConfigAttribute,
 		Min_sdk_version:       minSdkVersion,
 		Key:                   keyLabelAttribute,
 		Certificate:           certificate,

bp2build/apex_conversion_test.go

@@ -1566,3 +1566,25 @@ override_apex {
 			}),
 		}})
 }
+
+func TestApexBundleSimple_customCannedFsConfig(t *testing.T) {
+	runApexTestCase(t, Bp2buildTestCase{
+		Description:                "apex - custom canned_fs_config",
+		ModuleTypeUnderTest:        "apex",
+		ModuleTypeUnderTestFactory: apex.BundleFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: `
+apex {
+	name: "com.android.apogee",
+	canned_fs_config: "custom.canned_fs_config",
+	file_contexts: "file_contexts_file",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("apex", "com.android.apogee", AttrNameToString{
+				"canned_fs_config": `"custom.canned_fs_config"`,
+				"file_contexts":    `"file_contexts_file"`,
+				"manifest":         `"apex_manifest.json"`,
+			}),
+		}})
+}